You can banish 1 "lswarm" monster from your Graveyard to target 1 "lswarm" monster in your Graveyard; add that target to your hand. You can only use this effect of "Evilswarm Cercyon" once per turn. During your Main Phase, if you used this effect this turn: You can Normal Summon 1 "lswarm" monster in addition to your Normal Summon/Set.Once during the turn this card is sent to the Graveyard, you can Tribute Summon 1 "lswarm" monster with 1 less Tribute than required.